diff --git a/apps/web/src/app/features/masters/articulos/articulos.screens.ts b/apps/web/src/app/features/masters/articulos/articulos.screens.ts
index 0c3795e..d295792 100644
--- a/apps/web/src/app/features/masters/articulos/articulos.screens.ts
+++ b/apps/web/src/app/features/masters/articulos/articulos.screens.ts
@@ -152,9 +152,9 @@ export const ARTICULOS_SCREENS: readonly MasterScreen[] = [
             columns: [
               { key: 'WarehouseCode', title: 'Almacén', type: 'text', width: '110px' },
               { key: 'WarehouseName', title: 'Nombre', type: 'text', width: '260px', nameOf: { codeKey: 'WarehouseCode', resource: 'Warehouses', valueField: 'WarehouseCode', labelField: 'WarehouseName' } },
-              { key: 'InStock', title: 'En stock', type: 'number', width: '110px' },
-              { key: 'Committed', title: 'Comprometido', type: 'number', width: '110px' },
-              { key: 'Ordered', title: 'Pedido', type: 'number', width: '110px' },
+              { key: 'InStock', title: 'En stock', type: 'number', width: '110px', total: true },
+              { key: 'Committed', title: 'Comprometido', type: 'number', width: '110px', total: true },
+              { key: 'Ordered', title: 'Pedido', type: 'number', width: '110px', total: true },
               { key: 'MinimalStock', title: 'Mínimo', type: 'number', width: '100px' },
               { key: 'MaximalStock', title: 'Máximo', type: 'number', width: '100px' },
             ],
diff --git a/apps/web/src/app/shared/grid/grid.types.ts b/apps/web/src/app/shared/grid/grid.types.ts
index b144f79..d9c71e3 100644
--- a/apps/web/src/app/shared/grid/grid.types.ts
+++ b/apps/web/src/app/shared/grid/grid.types.ts
@@ -59,6 +59,8 @@ export interface DetailColumn {
   lookup?: VhLookup;
   /** Decimales fijos de una columna numérica; sin él, hasta 3. */
   decimals?: number;
+  /** Se suma la columna en una fila «Total» al pie de la tabla (stock por almacén). */
+  total?: boolean;
   /**
    * Una celda que puede tomar su valor de varias listas (la «Cuenta / socio» de un asiento: una cuenta, un cliente o
    * un proveedor). El botón «…» pregunta cuál abrir; un código escrito se busca en ellas en orden.
diff --git a/apps/web/src/app/shared/grid/rows-table.ts b/apps/web/src/app/shared/grid/rows-table.ts
index a8263b2..8ce887f 100644
--- a/apps/web/src/app/shared/grid/rows-table.ts
+++ b/apps/web/src/app/shared/grid/rows-table.ts
@@ -34,6 +34,17 @@ const dateOnly = (v: unknown): string => (typeof v === 'string' ? v.slice(0, 10)
               <th class="del"></th>
             }
           </tr>
+          @if (hasTotals() && rows().length) {
+            <tr>
+              <td class="rn"></td>
+              @for (c of columns(); track c.key; let first = $first) {
+                <td class="tot" [class.num]="c.total">{{ c.total ? totalOf(c) : first ? 'Total' : '' }}</td>
+              }
+              @if (canRemove()) {
+                <td class="del"></td>
+              }
+            </tr>
+          }
         </thead>
         <tbody>
           @for (row of rows(); track $index; let i = $index) {
@@ -132,6 +143,8 @@ const dateOnly = (v: unknown): string => (typeof v === 'string' ? v.slice(0, 10)
     th.req::after { content: ' *'; color: var(--err); }
     td { padding: 0 2px; height: 27px; border: 1px solid var(--line-soft); white-space: nowrap; }
     td.ro { background: var(--field-ro); }
+    td.tot { padding: 0 8px; font-weight: 600; background: var(--grid-head); }
+    td.tot.num { text-align: right; }
     td.rn, th.rn { width: 30px; text-align: center; color: var(--quiet); }
     td.del, th.del { width: 30px; text-align: center; }
     input, select { width: 100%; height: 22px; padding: 1px 4px; background: transparent; border: 1px solid transparent; border-radius: var(--radius); }
@@ -227,6 +240,18 @@ export class RowsTable {
     return !this.readonly() && this.removable();
   }
 
+  protected readonly hasTotals = computed(() => this.columns().some((c) => c.total));
+
+  /** La suma de una columna numérica en todas las filas. */
+  protected totalOf(c: DetailColumn): string {
+    let sum = 0;
+    for (const r of this.rows()) {
+      const v = Number(r[c.key]);
+      if (Number.isFinite(v)) sum += v;
+    }
+    return formatNumber(sum, c.decimals);
+  }
+
   protected locked(c: DetailColumn, row?: Row): boolean {
     return this.readonly() || !!c.readonly || !!c.computed || !!c.nameOf || (!!row && !!c.readonlyFor?.(row));
   }